iO Universal Twinning Kit

Part Number: iO-TWIN
Price: $198.60
temporarily out of stock - back in stock in 5 to 10 days

iO Universal Twinning Kit

The twinning kit is designed to allow a single thermostat to control two separate HVAC units. It can also be expanded to control a total of four HVAC units. The twinning kit can be used on common or separate ducted systems with single-stage, multi-stage and heat pump equipment. Only standard 18-gauge thermostat wire is required. Thermostats and HVAC units can be located up to 300’ from the twinning kit panel.


  • Easy to install and setup
  • Uses standard 18-gauge thermostat wire
  • Optional control of up to four units
  • Reduces installation time and cost
  • Can be used with the Lead/Lag Controller
  • 5 Year warranty

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